Preview of the Cod ChampionshipsThe first day of the Call of DutyŽ Championship, presented by Xbox begins with some high stakes matchups. 16 teams will move on and fight another day, while the other half will be eliminated from the competition.

The day begins at 12pm PDT, when all 32 teams gather onstage for the opening ceremony. This will be definitely be a sight you don't want to miss, in what will surely the greatest gathering of top Call of DutyŽ players in one place.

Then the tournament action kicks off at 12:30pm PDT, with the 32 teams splitting off into round robin group play. Each team will play the other three teams in their group once. The top two teams from each group will advance to the 16-team double elimination bracket on Saturday. For the rest of the teams though, their dreams of taking home a cash prize and the title of Call of DutyŽ Champion are over. There is a lot on the line in this first day of action, and no team can afford to have a bad start.

Tune in to the action live April 5-7 at http://callofduty.com/esports, where you can watch group play matches on up to five different streams. The tournament concludes Sunday, April 7 at 3pm PDT, when the Championship match will decide the first ever Call of DutyŽ Champion!

Make sure to follow @CallofDutyElite for all of the latest tournament news, and join the conversation with the hashtag #CODeSports.

Should be a good tournament for sure but if we happen to get nice weather I might miss a lot of the day games. I can't pass up the opportunity to go walking without Under Armour for the first time since like November---He has a powerful weapon, he charges a million a shot, an assassin that's second to none, the man with the golden gun